Abstract
The outstanding properties of titanium alloys such as light weight and high strength at high temperature make their wide application in aerospace, petrochemical, and automobile sectors. However, high temperature is generated at cutting zone during machining of these alloys are the major challenges for machining industries. In the present work, the effectiveness of machinability of two titanium alloys (Ti-6Al-4V and Ti-5553) are investigated in different heating temperatures (250 °C, 350 °C and 600 °C), and compared with room temperature (30 °C) using finite element analysis (FEM). The FEM analysis is carried out by varying different cutting speeds and heating temperatures. Reduction in cutting forces and changes in chip morphology are observed for both the materials compared to room temperature conditions. Higher cutting and thrust forces are observed during machining of the Ti-5553 than that Ti-6Al-4V alloy. Experimental trials are carried out to verify the simulation results, and positive coherence between them is observed.
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